Crystal Clear Acrylic Lenses: Made from optical grade acrylic, it is lighter, more scratch and shatter resistant than glass, while providing the same level of clarity. Best for enhanced reading and viewing of very fine detail in books, newspapers, magazines, photos, maps, electronics, miniatures, jewelry, medicine bottles, medicines, hobbies, models and various crafts. Reduces Eyestrain and Dimmable: This LED magnifier is clinically proven to be ideal for anyone who uses their eyes to read text on a page as it magnifies and provides glare-free light. LIGHTWEIGHT AND ERGONOMIC HANDLE: Thanks to the specially designed premium lighter lens, in addition, the handle of this LED magnifier is ergonomically designed to fit most hands/holds, ideal for those who like to read for a long time people. Rectangular shape reads naturally: Rectangular lenses are specially designed to simulate the way we naturally see things from left to right, magnifying glass covers a large field of view without requiring your hands to move all the time Fast charging technology and long standby time large rectangular lens The orientation of the lenses shapes the way we read naturally and is ideal for those who like to read when eye conditions worsen. Any brightness level at your fingertips Requires 3 AA batteries (not included)